93. The noise emitted by the operation of a sawmill referred to in section 92, represented by the acoustic reference noise level measured at the dwelling or public institution, other than a dwelling belonging or rented to the owner or operator of the sawmill or an educational institution or tourist establishment when it is closed, must not exceed, over any 1-hour period, the higher of the following levels:(1) the residual noise level;
(2) 40 dBA between 7:00 p.m. and 7:00 a.m. and 45 dBA between 7:00 a.m. and 7:00 p.m.